Home / 239,638.10-330,700.60-132,208.38

Finding the Fourth Proportional to 239,638.10, 330,700.60 and 132,208.38

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Solution

The fourth proportional to 239,638.10, 330,700.60 and 132,208.38 is: 182,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,638.10 : 330,700.60 = 132,208.38 : x
  2. Step 2: Convert to fraction form
    239,638.10/330,700.60 = 132,208.38/x
  3. Step 3: Cross multiply
    239,638.10x = 330,700.60 × 132,208.38
  4. Step 4: Simplify right side
    239,638.10x = 43,721,390,591.03
  5. Step 5: Solve for x
    x = 43,721,390,591.03/239,638.10
  6. Step 6: Final answer
    x = 182,447.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.